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Finding the Fourth Proportional to 84,340.10, 126,510.15 and 22,010.60

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Solution

The fourth proportional to 84,340.10, 126,510.15 and 22,010.60 is: 33,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340.10 : 126,510.15 = 22,010.60 : x
  2. Step 2: Convert to fraction form
    84,340.10/126,510.15 = 22,010.60/x
  3. Step 3: Cross multiply
    84,340.10x = 126,510.15 × 22,010.60
  4. Step 4: Simplify right side
    84,340.10x = 2,784,564,307.59
  5. Step 5: Solve for x
    x = 2,784,564,307.59/84,340.10
  6. Step 6: Final answer
    x = 33,015.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.